#include <iostream>
#include <vector>
#include <string>
#include "math.h"
using namespace std;

int main()
{
    string msg[] = {"hello", "C++", "world", "from", "vscode", "and the C++ extension"};
    for (int i = 0; i < sizeof(msg) / sizeof(msg[0]); i++)
    {
        /* code */
        cout << msg[i] << " ";
    }
    cout << endl;
    cout << add1(1, 2) << endl;
    return 0;
}